[nrf fromtree] dts: bindings: nordic-nrf-nfct-v2: Extend description

Add information about nfct node status. For cpuapp status is irrelevant
because NFCT is by default assigned to cpuapp but for cpurad node needs
to have reserved status.

Signed-off-by: Krzysztof Chruściński <[email protected]>
(cherry picked from commit 9caab5b)

Author: nordic-krch

dts/bindings/net/wireless/nordic,nrf-nfct-v2.yaml

@@ -12,7 +12,8 @@ properties:
     type: boolean
     description: |
       When enabled this property will configure pins dedicated to NFCT
-      peripheral as regular GPIOs. This property must be applied in cpuapp
-      if NFCT pins are intended to be used as regular GPIOs by any core.
+      peripheral as regular GPIOs. If this property is applied in cpuapp then node
+      can be disabled or reserved (because NFCT is by default assigned to cpuapp).
+      If property is applied in cpurad CPU then node must be reserved.
 
       NFC pins in nRF54H series: P2.10 and P2.11